CVE-2022-48006

An arbitrary file upload vulnerability in taocms v3.0.2 allows attackers to execute arbitrary code via a crafted PHP file

Critical Β· published January 30, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
60.4
In the wild
Unconfirmed
What it is

🚨 An attacker merely needs to craft a PHP file to exploit this vulnerability in taocms v3.0.2 β€” it's like sneaking a spy camera into a top-secret meeting room! πŸ”₯ Think of this vulnerability as a restaurant that allows customers to bring their own ingredients into the kitchen. If someone slips in a forbidden item (like a PHP file), they can change the recipe to whatever they want, potentially ruining the whole menu! If exploited, an attacker could execute arbitrary code on the server β€” imagine them gaining complete control, allowing them to read sensitive data, modify content, or even take the entire system hostage! This could lead to catastrophic data breaches and trust issues for users.

Put simply

Think of this vulnerability as a restaurant that allows customers to bring their own ingredients into the kitchen. If someone slips in a forbidden item (like a PHP file), they can change the recipe to whatever they want, potentially ruining the whole menu! This arbitrary file upload vulnerability stems from how taocms handles the 'upext' variable in the /include/Model/Upload.php file, allowing attackers to upload malicious PHP scripts that can be executed on the server.

What to do

If exploited, an attacker could execute arbitrary code on the server β€” imagine them gaining complete control, allowing them to read sensitive data, modify content, or even take the entire system hostage! This could lead to catastrophic data breaches and trust issues for users. To protect your system, update taocms to the latest version immediately. It's crucial to implement strict validation and sanitization for uploaded files to ensure only safe formats are allowed. Also, consider setting up a web application firewall to intercept malicious uploads. You've got this! Follow these steps, and you'll bolster your defenses like a superhero protecting the city! πŸ¦Έβ€β™‚οΈ

The record
Technical detail
CVSS v3.1
9.8 Β· CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00935 Β· 60.4th percentile
Published
2023-01-30T00:00Z
EPSS history
Timeline
  • 30 JAN 00:00Z
    An arbitrary file upload vulnerability in taocms v3.0.2 allows attackers to execute arbitrary code via a crafted PHP file
    cvelistv5